Updated debianzfs for Debian 12 (Bookworm)

- Shifted release info to packer variables
- Doubled boot_command initial wait to 20s
- Renamed Packer source to debian-live
- Removed .sh from debianzfs script path
- Tweaked comment wording
- Replaced hardcoded codename
- Used 'ln -fs' for existing /etc/mtab

Makefile

@@ -1,6 +1,13 @@
 all: debianzfs.qcow2
 
+# Generate password
 debianzfs.qcow2: export PKR_VAR_password="$(pwgen -s 8 1)"
+
+# Release info
+debianzfs.qcow2: export PKR_VAR_release=12.0.0
+debianzfs.qcow2: export PKR_VAR_codename=bookworm
+debianzfs.qcow2: export PKR_VAR_sha256=fa3960f6f692fc60a43eec4362d60f754b4a246ab64aa662270dd879a946de84
+
 debianzfs.qcow2:
 	packer build -color=false . | tee debianzfs.log
 

debianzfs.pkr.hcl

@@ -1,9 +1,11 @@
 # Set 'password' using shell var: PKR_VAR_password=$(pwgen -s 8 1)
 variable "password" {}
+variable "release" {}
+variable "sha256" {}
 
-source "qemu" "bullseye-live" {
+source "qemu" "debian-live" {
-  iso_url           = "https://cdimage.debian.org/debian-cd/current-live/amd64/iso-hybrid/debian-live-11.5.0-amd64-standard.iso"
+  iso_url           = "https://cdimage.debian.org/debian-cd/current-live/amd64/iso-hybrid/debian-live-${var.release}-amd64-standard.iso"
-  iso_checksum      = "sha256:8172b188061d098080bb315972becbe9bd387c856866746cee018102cd00fc9b"
+  iso_checksum      = "sha256:${var.sha256}"
   output_directory  = "output"
   shutdown_command  = "echo 'packer' | sudo -S shutdown -P now"
   disk_size         = "5000M"
@@ -19,7 +21,7 @@ source "qemu" "bullseye-live" {
   disk_interface    = "virtio"
   boot_wait         = "5s"
   boot_command      = [
-        "<enter><wait10>",
+        "<enter><wait20>",
         "<enter><wait>",
         "sudo -i<enter><wait>",
         "read -s userpw<enter><wait>",
@@ -33,11 +35,11 @@ source "qemu" "bullseye-live" {
 
 build {
   name = "zfs"
-  sources = ["source.qemu.bullseye-live"]
+  sources = ["source.qemu.debian-live"]
 
   provisioner "file" {
     source      = "debianzfs.sh"
-    destination = "/tmp/debianzfs.sh"
+    destination = "/tmp/debianzfs"
   }
 
   provisioner "shell" {
@@ -45,7 +47,7 @@ build {
   }
 
   provisioner "shell" {
-     inline = ["sudo /tmp/debianzfs.sh -i -s0 -p changeme -P letmeinzfs! /dev/vda debianzfs"]
+     inline = ["sudo /tmp/debianzfs -i -s0 -p 'changeme' -P 'letmeinzfs!' /dev/vda debianzfs"]
   }
 
 }

debianzfs.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Script is based off official guide: see "Debian Bullseye Root on ZFS"
+# This script is originally based off the "Debian Bullseye Root on ZFS" guide
 # https://openzfs.github.io/openzfs-docs/Getting%20Started/Debian/Debian%20Bullseye%20Root%20on%20ZFS.html
 
 #################
@@ -151,7 +151,7 @@ function disk_byid_check () {
 ################
 # Static
 export DEBIAN_FRONTEND=noninteractive
-CODENAME="bullseye"
+CODENAME="bookworm"
 
 # Options
 while getopts ':ghim:p:P:r:s:' OPTION; do
@@ -422,7 +422,7 @@ unset CDPATH
 cd
 
 # 5. Configure a basic system environment
-ln -s /proc/self/mounts /etc/mtab
+ln -fs /proc/self/mounts /etc/mtab
 apt-get update && apt-get upgrade -y
 apt-get install -y console-setup locales
 

scripts/setup.sh

@@ -1,3 +1,3 @@
 #!/bin/bash
 sudo passwd -d user
-sudo chmod u+x /tmp/debianzfs.sh
+sudo chmod u+x /tmp/debianzfs